In which situation is asymmetric encryption beneficial?

Asymmetric encryption is particularly beneficial for secure data transmission. This method of encryption uses a pair of keys—one public and one private—which enhances security during the transmission of sensitive information over networks. The public key can be shared freely, allowing anyone to encrypt a message specifically for the intended recipient who holds the private key, ensuring that only they can decrypt it.

This method is especially useful when data needs to be securely transmitted over insecure channels, such as the internet, as it mitigates risks associated with key distribution. The system relies on mathematical algorithms that make it computationally infeasible to derive the private key from the public key, thus maintaining confidentiality.

Other options like encrypting large files or internal communications either can be managed effectively using symmetric encryption, which is faster and more efficient for bulk data processing, or are not necessarily hinged on the advantages that asymmetric encryption provides. Sharing data with public groups typically doesn't require complex encryption mechanisms as other methods may suffice or even allow for transparent sharing without the need for encryption.